Frozen pre-embryos.
D001755:Blastocyst; D032982:Contracts; D015925:Cryopreservation; D003657:Decision Making; D004624:Embryo Transfer; D004992:Ethics, Medical; D005260:Female; D006806:Human Rights; D006801:Humans; D007603:Jurisprudence; D008297:Male; D008393:Marriage / Q000331:legislation & jurisprudence; D018587:Oocyte Donation; D013094:Spermatozoa; D014481:United States